The hex color #e6685f is a light color. The web-safe version is Hex
#FF6666. A complementary color is
#1997A0. The grayscale version is
#8F8F8F. A 20% lighter version of the original color is
#FF9B92, and Hex
#B3352C is the 20% darker color. If the color is saturated by 10%, you get
#EF645A. If the color is desaturated by 10%, the color
#DD6C64 is obtained.